Ligand maltopentaose

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Basic Ligand Information

Molecular Structure
Picture of maltopentaose (click for magnification)
Molecular Formula
BRENDA Name
InChIKey
C30H52O26
maltopentaose
FTNIPWXXIGNQQF-SYTVBXOLSA-N
Synonyms:
alpha-D-maltopentaose, alpha-D-maltopentaoside, malto-pentaose, maltodextrin G5, maltopentaosyl, maltopentose

Roles as Enzyme Ligand

In Vivo Substrate in Enzyme-catalyzed Reactions (6 results)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
maltopentaose + maltopentaose = maltooligosaccharides
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sucrose + maltopentaose = D-fructose + maltohexaose
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maltopentaose + H2O = ?
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maltopentaose + H2O = maltose + D-glucose
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In Vivo Product in Enzyme-catalyzed Reactions (5 results)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
sucrose + maltotetraose = D-fructose + maltopentaose
show the reaction diagram
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Substrate in Enzyme-catalyzed Reactions (97 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
maltopentaose + O2 = ?
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acetyl-CoA + maltopentaose = CoA + 6-O-acetyl-alpha-D-glucopyranosyl-(1->4)-alpha-D-glucopyranosyl-(1->4)-alpha-D-glucopyranosyl-(1->4)-alpha-D-glucopyranosyl-(1->4)-D-glucopyranose
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UDP-glucose + maltopentaose = ? + UDP
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maltopentaose = ?
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maltopentaose = dextran
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acarbose + maltopentaose = acarviosyl-(1->4)-alpha-maltopentaose + maltose
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maltopentaose = ?
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maltopentaose + H2O = ?
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maltopentaose + H2O = maltotriose + maltose
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maltopentaose + H2O = ?
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maltopentaose + H2O = ?
show the reaction diagram
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maltopentaose + H2O = ?
show the reaction diagram
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maltopentaose + H2O = ?
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maltopentaose + H2O = 2 maltose + D-glucose
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maltopentaose = ?
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Product in Enzyme-catalyzed Reactions (61 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
ADP-alpha-D-glucose + maltotetraose = ADP + maltopentaose
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sucrose + maltotetraose = D-fructose + maltopentaose
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maltohexaose + H2O = D-glucose + maltopentaose
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limit dextrin + H2O = maltotriose + maltotetraose + maltopentaose
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beta-cyclodextrin-alpha-1,6-linked maltopentaose + H2O = beta-cyclodextrin + maltopentaose
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maltoheptaose + H2O = beta-maltose + maltopentaose
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maltohexaose + H2O = maltopentaose + D-glucose
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maltohexaose + H2O = maltopentaose + D-glucose
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63-alpha-glucosyl maltopentaose + H2O = maltopentaose + D-glucose
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4-nitrophenyl-maltopentaoside + H2O = 4-nitrophenol + maltopentaose
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alpha-maltotriosyl trehalose = maltopentaose
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Activator in Enzyme-catalyzed Reactions (2 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
stimulating effect of maltooligosaccharides on the conversion of amylose, 15 mM, relative activity 210%
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20 mM: 1.45fold activation
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Inhibitor in Enzyme-catalyzed Reactions (2 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
30 mM, 51% inhibition
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Enzyme Kinetic Parameters

kcat Value (Turnover Number) (76 results)

EC NUMBER
TURNOVER NUMBER [1/S]
TURNOVER NUMBER MAXIMUM [1/S]
COMMENTARY
LITERATURE
58.1
-
pH 6.0, 37°C
5.18
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pH 6.5, 85°C, recombinant enzyme

KM Value (131 results)

EC NUMBER
KM VALUE [MM]
KM VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
0.0033
-
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46.32
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isoform GBSSI, at pH 8.5 and 30°C
3.6
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IP-SI, immunoprecipitated human sucrase-isomaltase complex
37.9
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pH 6.0, 37°C
13.3
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10.02
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9.95
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pH 6.5, 85°C, recombinant enzyme
0.1
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pH 5.0, 35°C

Ki Value (1 result)

EC NUMBER
KI VALUE [MM]
KI VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
0.92
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pH 5.0, 40°C

References & Links

Links to other databases for maltopentaose

ChEBI
PubChem
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PubChem